| 5. Ronde | 26.09.1999 | RCD Mallorca | - | Athletic Club | 2:1 |  |
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| 6. Ronde | 03.10.1999 | Athletic Club | - | Deportivo La Coruña | 2:3 |  |
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| 7. Ronde | 12.10.1999 | Málaga CF | - | Athletic Club | 3:4 | ||||
| 8. Ronde | 16.10.1999 | Athletic Club | - | Valencia CF | 1:0 | |
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| 21. Ronde | 23.01.2000 | Athletic Club | - | Real Valladolid | 1:0 | ||||
| 23. Ronde | 06.02.2000 | Athletic Club | - | CD Numancia | 2:1 | ||||
| 25. Ronde | 19.02.2000 | Deportivo La Coruña | - | Athletic Club | 2:0 | ||||
| 27. Ronde | 04.03.2000 | Valencia CF | - | Athletic Club | 2:0 | ||||
| 28. Ronde | 11.03.2000 | Athletic Club | - | FC Barcelona | 0:4 | |
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| 34. Ronde | 22.04.2000 | Athletic Club | - | Celta de Vigo | 1:0 | ||||
| 35. Ronde | 30.04.2000 | Real Zaragoza | - | Athletic Club | 0:0 | ||||
| 36. Ronde | 07.05.2000 | Athletic Club | - | Racing Santander | 2:2 |
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